How has genetics changed overtime

Mutations involve changes in the arrangement of the bases that make up a gene. Even a change in just one base among the thousands of bases that make up a gene can have a major effect. A gene mutation can affect the cell in many ways. Some mutations stop a protein from being made at all.

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answer; the above answer to the above statement is (true)

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean